1 Thessalonians 2:1
For you yourselves know, brethren, that our visit to you was not in vain;
1 Corinthians 15:2
by which also you are saved, if you hold fast the word which I preached to you, unless you believed in vain.
1 Corinthians 15:10
But by the grace of God I am what I am, and his grace toward me was not in vain. No, I worked harder than all of themyet not I, but the grace of God that was with me.
1 Corinthians 15:58
Therefore, my beloved brethren, be steadfast, immovable, always abounding in the work of the Lord, knowing that your labor is not in vain in the Lord.
2 Corinthians 6:1
Working together with him, then, we urge you not to receive the grace of God in vain.
Galatians 2:2
I went up because of a revelation; and I set before them the gospel that I preach among the Gentiles. But I did this privately to those who were of reputation, for fear that I was running or had run my race in vain.
Galatians 4:11
I fear for you, that perhaps I have labored over you in vain.
Philippians 2:16
holding fast the word of life, so that in the day of Christ I may be proud that I did not run in vain or labor in vain.
1 Thessalonians 1:3-10
remembering before our God and Father your work of faith and labor of love and steadfastness of hope in our Lord Jesus Christ.
1 Thessalonians 2:13
And we also thank God constantly for this, that when you received the word of God which you heard from us, you accepted it not as the word of men but as what it really is, the word of God, which is at work in you who believe.
1 Thessalonians 3:5
For this reason, when I could endure it no longer, I also sent to find out about your faith, for fear that the tempter might have tempted you, and our labor would be in vain.
2 Thessalonians 1:10
when he comes to be glorified in his saints on that day, and to be marveled at among all who have believedbecause our testimony to you was believed.
2 Thessalonians 3:1
Finally, brethren, pray for us that the word of the Lord may spread rapidly and be honored, just as it did also with you,